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Finding the Fourth Proportional to 1,594.33, 2,200.20 and 964.86

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Solution

The fourth proportional to 1,594.33, 2,200.20 and 964.86 is: 1,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.33 : 2,200.20 = 964.86 : x
  2. Step 2: Convert to fraction form
    1,594.33/2,200.20 = 964.86/x
  3. Step 3: Cross multiply
    1,594.33x = 2,200.20 × 964.86
  4. Step 4: Simplify right side
    1,594.33x = 2,122,884.97
  5. Step 5: Solve for x
    x = 2,122,884.97/1,594.33
  6. Step 6: Final answer
    x = 1,331.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.